Medical tube hub



FIG. 1 is a front view of the medical tube hub showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of the top plan side thereof; and,

FIG. 8 is another perspective view of the plan side thereof.

The dashed dot lines immediately adjacent to the shaded areas in the figures represent the boundaries of the claimed design. The dashed dot lines in the figures illustrate the portions of the design that form no part of the claimed design. None of the broken lines form any part of the claimed design. 

CLAIM The ornamental design for a medical tube hub, as shown and described. 